31 C.F.R. § 315.35 : Money and Finance: Treasury — REGULATIONS RELATING TO MONEY AND FINANCE — FISCAL SERVICE, DEPARTMENT OF THE TREASURY — BUREAU OF THE FISCAL SERVICE — REGULATIONS GOVERNING U.S. SAVINGS BONDS, SERIES A, B, C, D, E, F, G, H, J, AND K, AND U.S. SAVINGS NOTES — GENERAL PROVISIONS FOR PAYMENT — Payment (redemption)

(a) General. Payment of a savings bond will be made to the person or persons entitled under the provisions of these regulations, except that checks in payment will not be delivered to addresses in areas with respect to which the Department of the Treasury restricts or regulates the delivery of checks drawn against funds of the United States. See Department of the Treasury Circular No. 655, current revision ( 31 CFR part 211 ). Payment will be made without regard to any notice of adverse claims to a bond and no notification of stoppage or caveat against payment of a bond will be made.
(b) Series A, B, C, D, F, and J. A bond of Series A, B, C, D, F, or J will be paid at face value.
(c) Series E and Savings Notes. A Series E bond will be paid at any time after two months from issue date at the appropriate redemption value shown in Department of the Treasury Circular No. 653 ( 31 CFR part 316 ), current revision. A savings note will be paid at anytime at the appropriate redemption value shown in Department of the Treasury Circular, Public Debt Series No. 3-67, current revision ( 31 CFR part 342 ).
(d) Series G and K. A bond of Series G or K will be paid at face value plus the final semiannual interest due. For Series G bonds, the final interest paid with principal is $1.25 per $100; for Series K bonds, the final interest is $6.90 per $500.
(e) Series H. A Series H bond will be redeemed at face value at any time after six (6) months from issue date. In any case where Series H bonds are surrendered to a designated Federal Reserve Bank or Branch or the Department of the Treasury for redemption in the month prior to an interest payment date, redemption will not be deferred but will be made in regular course, unless the presenter specifically requests that the transaction be delayed until that date. A request to defer redemption made more than one month preceding the interest payment date will not be accepted.

31 C.F.R. § 315.35

45 FR 64091, 9/26/1980, as amended at 51 FR 23753, 7/1/1986; 59 FR 10535, 3/4/1994